<?php 
	
	/*
	 * Developed by Matthew Watts {Euphoric Code}
	 * Questions? Email matthew@euphoriccode.com
	 */

session_start(); 
header("(anti-spam-content-type:) image/png");

$enc_num = rand(0, 9999);
$key_num = rand(0, 24);
$hash_string = substr(md5($enc_num), $key_num, 5); // Length of String
$hash_md5 = md5($hash_string);
$_SESSION['verify'] = $hash_md5;

# 	This is our verification image Background Selection
$bgs = array("../includes/verify/1.png","../includes/verify/2.png","../includes/verify/3.png");
$background = array_rand($bgs, 1);

#	Loading our Verification Image Variables
$img_handle = imagecreatefrompng($bgs[$background]);
$text_colour = imagecolorallocate($img_handle, 117, 154, 24);
$font_size = 5;
$size_array = getimagesize($bgs[$background]);
$img_w = $size_array[0];
$img_h = $size_array[1];
$horiz = round(($img_w/2)-((strlen($hash_string)*imagefontwidth(5))/2), 1);
$vert = round(($img_h/2)-(imagefontheight($font_size)/2));

#	Now we need to make the Verification Image
imagestring($img_handle, $font_size, $horiz, $vert, $hash_string, $text_colour);
imagepng($img_handle);

#	To finalise we are going to destroy the Image to keep Server Space
imagedestroy($img_handle);

?>